Office.Context interface

Provides information and access to the signed-in user.

auth: Auth;

Property Value

True, if the current platform allows the add-in to display a UI for selling or upgrading; otherwise returns False.

commerceAllowed: boolean;

Property Value

Remarks

Applications: Excel, Word

commerceAllowed is only supported in Office on iPad.

The iOS App Store doesn't support apps with add-ins that provide links to additional payment systems. However, Office Add-ins running in Office on the Windows desktop or in the browser do allow such links. If you want the UI of your add-in to provide a link to an external payment system on platforms other than iOS, you can use the commerceAllowed property to control when that link is displayed.

Gets the locale (language) specified by the user for editing the document or item.

contentLanguage: string;

Property Value

Remarks

The contentLanguage value reflects the Editing Language setting specified with File > Options > Language in the Office application.

Support details

For more information about Office application and server requirements, see Requirements for running Office Add-ins.

Supported applications, by platform

Examples

function sayHelloWithContentLanguage() {
    const myContentLanguage = Office.context.contentLanguage;
    switch (myContentLanguage) {
        case 'en-US':
            write('Hello!');
            break;
        case 'en-NZ':
            write('G\'day mate!');
            break;
    }
}
// Function that writes to a div with id='message' on the page.
function write(message){
    document.getElementById('message').innerText += message; 
}

Gets information about the environment in which the add-in is running.

diagnostics: ContextInformation;

Property Value

Remarks

Important: In Outlook, this property is available from Mailbox requirement set 1.5. For all Mailbox requirement sets, you can use the Office.context.mailbox.diagnostics property to get similar information.

Examples

const contextInfo = Office.context.diagnostics;
console.log("Office application: " + contextInfo.host);
console.log("Office version: " + contextInfo.version);
console.log("Platform: " + contextInfo.platform);

Gets the locale (language) specified by the user for the UI of the Office application.

displayLanguage: string;

Property Value

Remarks

The returned value is a string in the RFC 1766 Language tag format, such as en-US.

The displayLanguage value reflects the current Display Language setting specified with File > Options > Language in the Office application.

When using in Outlook, the applicable modes are Compose or Read.

Support details

For more information about Office application and server requirements, see Requirements for running Office Add-ins.

Supported applications, by platform

Examples

function sayHelloWithDisplayLanguage() {
    const myDisplayLanguage = Office.context.displayLanguage;
    switch (myDisplayLanguage) {
        case 'en-US':
            write('Hello!');
            break;
        case 'en-NZ':
            write('G\'day mate!');
            break;
    }
}
// Function that writes to a div with id='message' on the page.
function write(message){
    document.getElementById('message').innerText += message; 
}

Gets an object that represents the document the content or task pane add-in is interacting with.

document: Office.Document;

Property Value

Examples

// Extension initialization code.
let _document;

// The initialize function is required for all add-ins.
Office.initialize = function () {
    // Checks for the DOM to load using the jQuery ready method.
    $(document).ready(function () {
    // After the DOM is loaded, code specific to the add-in can run.
    // Initialize instance variables to access API objects.
    _document = Office.context.document;
    });
}

Contains the Office application in which the add-in is running.

host: HostType;

Property Value

Remarks

Important: In Outlook, this property is available from Mailbox requirement set 1.5. You can also use the Office.context.diagnostics property to get the application starting with requirement set 1.5. For all Mailbox requirement sets, you can use the Office.context.mailbox.diagnostics property to get similar information.

Gets the license information for the user's Office installation.

license: string;

Property Value

Provides access to the Microsoft Outlook add-in object model.

mailbox: Office.Mailbox;

Property Value

Remarks

Minimum permission level: restricted

Applicable Outlook mode: Compose or Read

Key properties:

• diagnostics: Provides diagnostic information to an Outlook add-in.

• item: Provides methods and properties for accessing a message or appointment in an Outlook add-in.

• userProfile: Provides information about the user in an Outlook add-in.

Examples

// The following line of code access the item object of the JavaScript API for Office.
const item = Office.context.mailbox.item;

Provides access to the properties for Office theme colors.

officeTheme: OfficeTheme;

Property Value

Examples

function applyOfficeTheme(){
    // Get office theme colors.
    const bodyBackgroundColor = Office.context.officeTheme.bodyBackgroundColor;
    const bodyForegroundColor = Office.context.officeTheme.bodyForegroundColor;
    const controlBackgroundColor = Office.context.officeTheme.controlBackgroundColor;
    const controlForegroundColor = Office.context.officeTheme.controlForegroundColor;

    // Apply body background color to a CSS class.
    $('.body').css('background-color', bodyBackgroundColor);
}

Gets a partition key for local storage. Add-ins should use this partition key as part of the storage key to securely store data. The partition key is undefined in environments without partitioning, such as the browser controls for Windows applications.

partitionKey: string;

Property Value

Remarks

See the article Persist add-in state and settings for more information.

Examples

// Store the value "Hello" in local storage with the key "myKey1".
setInLocalStorage("myKey1", "Hello");

// ... 

// Retrieve the value stored in local storage under the key "myKey1".
const message = getFromLocalStorage("myKey1");
console.log(message);

// ...

function setInLocalStorage(key: string, value: string) {
    const myPartitionKey = Office.context.partitionKey;

    // Check if local storage is partitioned. 
    // If so, use the partition to ensure the data is only accessible by your add-in.
    if (myPartitionKey) {
        localStorage.setItem(myPartitionKey + key, value);
    } else {
        localStorage.setItem(key, value);
    }
}

function getFromLocalStorage(key: string) {
    const myPartitionKey = Office.context.partitionKey;

    // Check if local storage is partitioned.
    if (myPartitionKey) {
        return localStorage.getItem(myPartitionKey + key);
    } else {
        return localStorage.getItem(key);
    }
}

Provides the platform on which the add-in is running.

platform: PlatformType;

Property Value

Remarks

Important:

• In Outlook, this property is available from Mailbox requirement set 1.5. You can also use the Office.context.diagnostics property to get the platform starting with requirement set 1.5. For all Mailbox requirement sets, you can use the Office.context.mailbox.diagnostics property to get similar information.

• In Outlook, OfficeOnline is returned if an add-is is running in Outlook on the web or in new Outlook on Windows (preview).

Provides a method for determining what requirement sets are supported on the current Office application and platform.

requirements: RequirementSetSupport;

Property Value

Gets an object that represents the custom settings or state of a mail add-in saved to a user's mailbox.

The RoamingSettings object lets you store and access data for a mail add-in that is stored in a user's mailbox, so it's available to that add-in when it is running from any client application used to access that mailbox.

roamingSettings: Office.RoamingSettings;

Property Value

Remarks

Minimum permission level: restricted

Applicable Outlook mode: Compose or Read

Examples

// Get the current value of the 'myKey' setting.
const value = Office.context.roamingSettings.get('myKey');
// Update the value of the 'myKey' setting.
Office.context.roamingSettings.set('myKey', 'Hello World!');
// Persist the change.
Office.context.roamingSettings.saveAsync();

Gets the object to check the status of the catalog of sensitivity labels in Outlook and retrieve all available sensitivity labels if the catalog is enabled.

sensitivityLabelsCatalog: Office.SensitivityLabelsCatalog;

Property Value

Remarks

[ API set: Mailbox 1.13 ]

Minimum permission level: read/write item

Applicable Outlook mode: Compose

Examples

// Check if the catalog of sensitivity labels is enabled on the current mailbox.
Office.context.sensitivityLabelsCatalog.getIsEnabledAsync((asyncResult) => {
    // If the catalog is enabled, get all available sensitivity labels.
    if (asyncResult.status === Office.AsyncResultStatus.Succeeded && asyncResult.value == true) {
        Office.context.sensitivityLabelsCatalog.getAsync((asyncResult) => {
            if (asyncResult.status === Office.AsyncResultStatus.Succeeded) {
                const catalog = asyncResult.value;
                console.log("Sensitivity Labels Catalog:");
                console.log(JSON.stringify(catalog));
            } else {
                console.log("Action failed with error: " + asyncResult.error.message);
            }
        });
    } else {
        console.log("Action failed with error: " + asyncResult.error.message);
    }
});

Specifies whether the platform and device allows touch interaction. True if the add-in is running on a touch device, such as an iPad; false otherwise.

touchEnabled: boolean;

Property Value

Remarks

Applications: Excel, PowerPoint, Word

touchEnabled is only supported in Office on iPad.

Use the touchEnabled property to determine when your add-in is running on a touch device and if necessary, adjust the kind of controls, and size and spacing of elements in your add-in's UI to accommodate touch interactions.

Provides objects and methods that you can use to create and manipulate UI components, such as dialog boxes.

ui: UI;

Property Value

Gets the object to retrieve the runtime URLs of an add-in.

urls: Urls;

Property Value

Remarks

[ API set: Mailbox preview ]

Minimum permission level: restricted

Applicable Outlook mode: Compose or Read

Examples

// Get the value of the first parameter of the JavaScript runtime URL.
// For example, if the URL is https://wwww.contoso.com/training?key1=value1&key2=value2,
// the following function logs "First parameter value: value1" to the console.
const url = Office.context.urls.javascriptRuntimeUrl;
const regex = /=([^&]+)/;
console.log(`First parameter value: ${url.match(regex)[1]}`);